Magne Holmberg Karlsen is a private shareholder. Magne Holmberg Karlsen holds stakes in 2 companies, and roles in several others.

Companies Magne Holmberg Karlsen owns

Company	Stake
TØMRERFIRMA MAGNE H KARLSEN & SØNN AS	50.0%
ROSENLUND & CO AS	0.1%

Roles

Styrets leder

1 selskap

TØMRERFIRMA MAGNE H KARLSEN & SØNN AS 915260942

Active roles recorded in the Register of Business Enterprises / the Central Coordinating Register

Source: Biztrac.no · Data from the Brønnøysund Register Centre and the Norwegian Tax Administration · Last updated 03.10.2026.